| Acronym | Definition |
|---|
| LDE | Leadership Development Event (various organizations) |
| LDE | Louisiana Department of Education (Baton Rouge, LA) |
| LDE | Lead Design Engineer (various companies) |
| LDE | Linear Difference Equation (electrical engineering) |
| LDE | Linux Disk Editor |
| LDE | Low Dynamic Esp |
| LDE | Linux Disk Editor (software) |
| LDE | Left Defensive End (pro football) |
| LDE | Land Development and Engineering (various organizations) |
| LDE | Lyonnaise des Eaux (France) |
| LDE | Lloyd Dobler Effect (Washington, DC band) |
| LDE | Lourdes/Tarbes, France - Tarbes International (Airport Code) |
| LDE | Long Delayed Echo |
| LDE | Layout Design Element (model railways) |
| LDE | Librairie des Etudiants (France) |
| LDE | Layout Dependent Effect (circuit design) |
| LDE | Long Drivers of Europe (golf) |
| LDE | Lens of Eye Dose Equivalent |
| LDE | Long Duration Exposure |
| LDE | Living Dermal Equivalent |
| LDE | Lightpath Drop Edge |
| LDE | Liquid Discharge Eject |
| LDE | Long Distance Ear (Tom Clancy) |
| LDE | London Document Exchange |
| LDE | Laboratório de Desenvolvimento em Eletrônica (Portuguese: Laboratory for Development of Electronics; Brazil; est. 1989) |
| LDE | Litestep Desktop Environment (software) |